Lingxiang grass, also known as vanilla, flying grass, weeding, etc. It is a perennial herb of Primulaceae, with a plant height of 60 cm and a strong aroma after drying. The stems are grassy and green. Leaves alternate, leaves broadly ovate, apex acute or slightly obtuse, herbaceous, flowers solitary axillary; Pedicel slender, corolla yellow, anther base heart-shaped, pollen spherical. Capsule nearly spherical, grayish white, flowering from May to September.

Lingxiang is distributed in Guangxi, Guangdong and Yunnan. Like cool and humid environment, it grows well in broad-leaved forest with relative humidity of 60 ~ 80%, suitable growth temperature is 5 ~ 30℃, and the soil is loose, gray-black or brown-black. The whole grass contains aromatic oil similar to coumarin, which can be used to extract essence, tobacco and balsam. Dry goods can be put in boxes to prevent insects from eating clothes; It is also used in medicine. Has the effects of dispelling cold and relaxing bowels, and can be used for treating seasonal cold pathogen, headache, lumbago, chest distress, abdominal distension, nocturnal emission, ascaris, etc. This is a precious aromatic plant.

The efficacy and function of LYSIMACHIA foenum-graecum can maintain color, increase fragrance, repel insects and prevent corrosion in salt water.

The Role of Vanilla in Brine Vanilla is a kind of fragrant perfume, which will be used to enhance the fragrance when making Sichuan-style cold brine, mainly playing the role of anti-corrosion, color protection and insect prevention. It is also a common spice in spicy hot pot, and the dosage is generally 3-5g.

Is Cao Ling the same as vanilla? Cao Ling and vanilla are different. They don't use a spice.

Cao Ling is a kind of fairy grass and Swiss grass, which is a good name for some plants. Cao Xian, also known as Cao Xian and Xiancao, is an annual herbaceous perennial of Xiancao in Labiatae. It can benefit for many years after planting for one year, and its height can reach 1 m. Leaves opposite, blooming in late autumn. Born in ditches and dry sandy grasslands; In ancient times, it was considered as auspicious grass, such as ganoderma lucidum, violet, etc., or called fairy grass. As early as the Northern Song Dynasty, China introduced tobacco from the Philippines.

Vanilla is a general term for many kinds of aromatic plants, which contains aromatic volatile oil, antioxidants and fungicides. It can not only repel mosquitoes and flies, beautify the environment, purify the air and beautify the room, but also be widely used in beauty, bathing, diet, medical care and so on.